A. 360 Degree Circulation Heat. The advanced heating element of the electric heated socks wraps around your toes, top and bottom of your foot, so you can experience all-round warmth. With 360-degree all-round coverage, every inch of your feet will be enveloped in soothing, even warmth. No more cold spots or discomfort! B. Long-lasting warmth. Our heated socks feature a large-capacity 5000mAh battery that provides good battery life. You can enjoy up to 10 hours of continuous warmth on the lowest setting and 4 hours on the highest setting. Whether you’re going on a day hike or a winter camping trip, these heated socks will keep your feet warm outdoors. C. Perfect temperature. Feel the warmth of your heated socks. With four temperature settings – 100℉, 110℉, 140℉ and 155℉ – you have the power to set the level of warmth you desire. Whether you prefer a gentle, soothing heat or a warm sensation, our heated socks provide customized comfort and ensure your feet stay satisfied in any weather. D. Comfort and durability. Our heated socks are made from materials to ensure comfort and performance. Breathable materials prevent moisture build-up and unpleasant odors, so your feet will stay fresh and comfortable. The plush cushioning not only provides warmth, but also ensures abrasion resistance. Elastic provides arch support, while the knit construction maintains breathability. Non-slip cuffs ensure your socks stay firmly in place during all activities. E. Ideal for extreme cold and winter sports. Heated socks are not just socks, they are a good companion for winter sports and outdoor activities. Perfect for skiing, snowboarding, mountaineering, hiking and even hunting in cold weather. They are a thoughtful and practical gift for your family and friends, ensuring their warmth and comfort during winter activities.